WHO recommends masks for anyone in a crowded, enclosed, or poorly ventilated space. WHO continues to recommend the use of masks by the public in specific situations, and this update recommends their use irrespective of the local epidemiological situation, given the current spread of the COVID-19 globally. Masks are recommended following a recent exposure to COVID-19, when someone has or suspects they have COVID-19, when someone is at high-risk of severe COVID-19, and for anyone in a crowded, enclosed, or poorly ventilated space. Previously, WHO recommendations were based on the epidemiological situation.
In addition for children: